Any mods not in this list are recognised as unapproved mods and you will be punished if found using them. Below is the list of approved mods that you are allowed to use

Optifine
ArmorStatusHUD
StatusEffectHUD
DirectionHUD
bspkrsCore
Labymod
Batty’s Coordinates
ToggleSneak
PlayerAPI
BetterSprint
Schematica (The “Printer” feature is NOT allowed / No Schematica Reach) & the Core Mod: LunatriusCore
Saturation Display
Daytime Mod
ShinyPots
KeyStrokes Mod
CPS Mod
Fast Chat
Gamma Bright
5Zig (Client is not allowed if found you will be banned)

Got a mod which should be allowed? Speak to a member of staff.